Re: [appengine-java] Re: Finding abandoned child entities

2009-12-18 Thread Rusty Wright
If you're using com.google.appengine.api.datastore.Key for your primary keys, it has a getParent() method which returns null when the object doesn't have a parent. Also, your code is fetching a List of Entity, and Entity also has a getParent() which returns null if there is no parent. m

[appengine-java] Re: Finding abandoned child entities

2009-12-18 Thread m seleron
Hi. Thank you for following. Movement might be different depending on the entry method in JDO. thanks. -- You received this message because you are subscribed to the Google Groups Google App Engine for Java group. To post to this group, send email to google-appengine-j...@googlegroups.com.

[appengine-java] Re: Finding abandoned child entities

2009-12-17 Thread m seleron
Hi, If you specify kind if it is lowlevelapi I think that it is possible to acquire list of entity How about the following examples? String kindName = kindName; // abandoned children kindname DatastoreService service = DatastoreServiceFactory.getDatastoreService (); Query query = new

Re: [appengine-java] Re: Finding abandoned child entities

2009-12-17 Thread Brian Hayward
Thanks for answering. With this list, how can I tell if a given entity of that kind has a parent or not? Thanks, Brian On Thu, Dec 17, 2009 at 8:26 PM, m seleron seler...@gmail.com wrote: Hi, If you specify kind if it is lowlevelapi I think that it is possible to acquire list of entity

[appengine-java] Re: Finding abandoned child entities

2009-12-17 Thread m seleron
Sorry, did not have enough explanation. I corrected it a little. I think that the method of confirming the parent existence is simple. It uses Entity#getParent() How about the following examples? String parentKindName = parentKind; //Parent Kindname String kindName = kindName; // Child